That doesn't require using the bathroom

You know how they say you can tell your hydration by the color of your pee? Yes, it's accurate, but it's also kind of gross. That's why we employ this much subtler method of checking to see if we're drinking enough water. Here's the deal.

What you need: Your hands.

What you do: Using your thumb and index finger of one hand, pinch the skin on the back of your other hand. If it bounces back immediately, you're hydrated. If it takes a few seconds to return to normal, start sipping some H20.

Why it works: Your skin's ability to change shape and go back to its regular state (known as "turgor") is directly related to how hydrated you are. The more elastic your skin, the better shape you're in.

There you have it. No need to rely on the toilet anymore.

This article originally appeared on PureWow.

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